Photo: Image Source/Rex/REX USAFor a long time, American youth dreamed mainly of moving to three cities: San Francisco, Los Angeles, or New York. (If you can make it in that last one, you can make it anywhere, right? So, wherever Big Apple dwellers go next is certain to be a cinch. Supposedly.) Slowly but surely, though, other metropolitan areas have been added to the list. Today, Austin, Minneapolis, and Charleston, among others, are choice destinations for people seeking a hip scene, good...